Sachin Kasana articles - 20 total
I Replaced My Spinner with a Skeleton — And My UX Skyrocketed
I Replaced My Spinner with a Skeleton — And My UX Skyrocketed 🚀 Let’s be honest. Loading...
Stop Using Switch Statements — Use a Lookup Object Instead
🚫 Stop Using Switch Statements — Use a Lookup Object Instead 🧠 Switch statements have been...
How Node.js Handles High Concurrency Without Threads (And Why It Still Blocks Sometimes)
“If Node.js is single-threaded, how the heck is it serving millions of users?” That’s one of the...
How Web Workers Saved My JavaScript App from Freezing on Every CSV Upload
A real-world performance fix that made my app usable again. Ever uploaded a...
Most people think lazy loading is always good.
Lazy loading your components? Awesome. But what if I told you it might be hurting your SEO and...
Avoid These Lazy Loading Mistakes That Could Slow Down Your Website (with Real Fixes)
Stop Hurting Your Page Speed: Common Lazy Loading Mistakes & How to Fix Them Lazy loading is...
Dockerizing Node.js for Developers (Not DevOps)
“Docker doesn’t have to be scary — especially when it’s built for developers, not DevOps...
SOLID Principles in JavaScript & TypeScript — Real-World Examples You Can Actually Use
🚀 SOLID Principles in JavaScript & TypeScript — Real-World Examples You Can Actually...
10 Node.js Best Practices I Wish I Knew Sooner
Build scalable, secure, and production-ready Node.js apps like a pro. ✨...
I Built a Free JSON Formatter & Viewer for Developers — Feedback Welcome!
I Built a Free JSON Formatter and Viewer for Developers Hey Developers, I often needed a...
Design Patterns in JavaScript — Part 4: The Adapter Pattern
Originally published on Medium, sharing here for the DEV community! Design Patterns in...
️️ Design Patterns in JavaScript — Part 3: The Observer Pattern
Design Patterns in JavaScript -Part 3: The Observer Pattern “React to changes. Decouple...
Design Patterns in JavaScript — Part 2: The Factory Pattern
🏭 Design Patterns in JavaScript — Part 2: The Factory Pattern Imagine this… You’re...
Design Patterns in JavaScript — Part 1: Singleton & Module (With Real Examples)
🔁 Design Patterns in JavaScript — Part 1: Singleton & Module (With Real...
How to Monitor Frontend Errors Like a Backend Pro
Seen this before? 👇 “Everything works on my machine.” But when your app goes live… suddenly the...
⚡ From 5s to 500ms: How I Reduced My Page Load with Real Metrics
Every second of delay means a drop in engagement, conversions, and search ranking . That’s...
10x Your App’s Speed: Migrate to the New Node.js and Unlock Performance Features
Seen your Node.js app lag recently under real traffic? You’re not alone — many apps built on older...
From 10 Seconds to 2: Real Techniques for Reducing Load Times with Practical Examples
Introduction Website load time has a powerful impact on user experience, search engine...
Mastering Web Rendering: Choosing the Right Strategy for Your Site’s Speed and SEO
Mastering Web Rendering: Choosing the Right Strategy for Your Site’s Speed and SEO In today’s...
Node.js Array Limits: What’s the Maximum Length You Can Reach?
Imagine you’re in an interview, and you get asked a seemingly simple question: “ What is the maximum...